Texas Pneumatic air tank / manifold. The 2.5 Gallon model has two 2 "inlets and two 3/4" outlets, 150psi VALUE OF US $ 850. 10 Gallon model has two 2 "inlets and eight 3/4" outlets, 150psi VALUE OF US $ 1200 --- Asking price only $ 100 for the 2.5G and $ 200 for the 10G